Gronlund, N. E. (1978). Stating objectives for classroom instruction (2nd ed.). Macmillan.
Cita Chicago (17th ed.)Gronlund, Norman Edward. Stating Objectives for Classroom Instruction. 2nd ed. New York: Macmillan, 1978.
Cita MLA (9th ed.)Gronlund, Norman Edward. Stating Objectives for Classroom Instruction. 2nd ed. Macmillan, 1978.
Atenció: Aquestes cites poden no estar 100% correctes.